7061366985 has 16 divisors (see below), whose sum is σ = 11332328640. Its totient is φ = 3754681920.

The previous prime is 7061366981. The next prime is 7061366999. The reversal of 7061366985 is 5896631607.

It is not a de Polignac number, because 7061366985 - 2² = 7061366981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7061366981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706150 + ... + 716079.

It is an arithmetic number, because the mean of its divisors is an integer number (708270540).

Almost surely, 2^7061366985 is an apocalyptic number.

It is an amenable number.

7061366985 is a deficient number, since it is larger than the sum of its proper divisors (4270961655).

7061366985 is a wasteful number, since it uses less digits than its factorization.

7061366985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422568.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 7061366985 is about 84031.9402667819. The cubic root of 7061366985 is about 1918.5049654589.

The spelling of 7061366985 in words is "seven billion, sixty-one million, three hundred sixty-six thousand, nine hundred eighty-five".